<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        body{
            height: 2000px;
            margin: 0;
            padding: 0;
            background-color: darkturquoise;
        }
        form{
            max-width: 640px;
            width: 100%;
            margin: 32px auto 0;
            font-size: 32px;
        }
        label{
            display: block;
            margin: 30px 0;
        }
        input{
            width: 100%;
            height: 32px;
            margin-top: 10px;
            display: block;
        }
    </style>
</head>
<body>
    <form action="login.php" method="post">
        <fieldset>
            <legend>输入类型</legend>
            <label for="demo">
                email:<input type="email" id="demo">
            </label>
            <label for="">
                color:<input type="color">
            </label>
            <label for="">
                time:<input type="time">
            </label>
            <label for="">
               date:<input type="date">
            </label>
            <label for="">
                datetime:<input type="datetime">
            </label>
            <label for="">
                url:<input type="url">
            </label>
            <label for="">
                placeholder:<input type="text" placeholder="请输入用户名" id="username">
            </label>
            <label for="">
                <input type="file" multiple >
            </label>
            <label for="">
                <input type="submit" value="提交">
            </label>
        </fieldset>
    </form>
</body>
</html>